It's exactly one half mile from my front door to my mailbox. We've had a dandy winter here so far with tons of snow. It warmed up and has been drizzling rain all night. My question is: My driveway is full of wet heavy slush (6" or so) and the temp is going to drop. Do I move it or let it freeze down before the snow begins? The freezing drizzle will be changing over to snow soon and it's suppose to snow all day long.